<template>
  <div>
    <!--    查询功能-->
    <div style="margin-bottom: 5px">
      <!--    输入学院名称查询-->
      <el-input
        v-model="searchForName"
        @keyup.enter.native="loadPost"
        placeholder="请输入学院名称"
        suffix-icon="el-icon-search"
        style="width: 200px"
      ></el-input>
      <el-button type="primary" style="margin-left: 5px" @click="loadPost"
        >名称查询</el-button>
      <!-- 输入学院id查询 -->
      <el-input
        v-model="id"
        @keyup.enter.native="loadPostID"
        placeholder="请输入学院id"
        suffix-icon="el-icon-search"
        style="width: 200px;margin-left: 5px"
      ></el-input>
      <!--      查询按钮-->
        <el-button type="primary" style="margin-left: 5px" @click="loadPostID"
        >ID查询</el-button>
      <!--      重置按钮-->
      <el-button type="success" @click="resetParam">重置</el-button>
      <!--      新增按钮-->
      <el-button type="primary" style="margin-left: 5px" @click="add"
        >新增</el-button
      >
    </div>

    <!--    列表展示-->
    <el-table
      :data="college"
      :header-cell-style="{ background: '#D3D3D3FF', color: '#555555' }"
    >
      <el-table-column prop="id" label="学院ID" width="180"> </el-table-column>
      <el-table-column prop="name" label="学院名称" width="160"> </el-table-column>
      <el-table-column prop="gmtCreate" label="创建时间" width="180">
      </el-table-column>
      <el-table-column prop="gmtModified" label="修改时间" width="180">
      </el-table-column>
      <el-table-column prop="sort" label="排序" width="60"> </el-table-column>
      <el-table-column prop="operate" label="操作">
        <template slot-scope="scope">
          <el-button size="small" type="success" @click="mod(scope.row)"
            >编辑</el-button
          >
          <el-popconfirm
            confirm-button-text="确定"
            cancel-button-text="取消"
            icon="el-icon-info"
            icon-color="red"
            title="这是一段内容确定删除吗？"
            @confirm="del(scope.row.id)"
            style="margin-left: 5px"
          >
            <el-button slot="reference" size="small" type="danger"
              >删除</el-button
            >
          </el-popconfirm>
        </template>
      </el-table-column>
    </el-table>

    <!--    分页  -->
    <div class="pagination-wrapper">
      <div class="pagination-container">
        <el-pagination
          @size-change="handleSizeChange"
          @current-change="handleCurrentChange"
          :current-page="page"
          :page-sizes="[5, 10, 20, 30]"
          :page-size="5"
          layout="total, sizes, prev, pager, next, jumper"
          :total="total"
        >
        </el-pagination>
      </div>
    </div>
    <el-dialog
      title="学院信息"
      :visible.sync="centerDialogVisible"
      width="30%"
      center
      :before-close="handleClose"
    >
      <!--      新增学院信息表单-->
      <el-form ref="form" :rules="rules" :model="form" label-width="80px">
        <el-form-item label="学院名称" prop="name">
          <el-col :span="15">
            <el-input v-model="form.name"></el-input>
          </el-col>
        </el-form-item>
        <el-form-item label="排序" prop="sort">
          <el-radio-group v-model="form.sort">
            <el-input-number
              v-model="form.sort"
              controls-position="right"
              @change="handleChange"
              :min="0"
            ></el-input-number>
          </el-radio-group>
        </el-form-item>
      </el-form>
      <span slot="footer" class="dialog-footer">
        <el-button @click="centerDialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="save">确 定</el-button>
      </span>
    </el-dialog>
  </div>
</template>

<script>
import { del } from "@/api/collegeManagement/Delete";
import { mod } from "@/api/collegeManagement/Mod";
import { save } from "@/api/collegeManagement/Save";
import { query } from "@/api/collegeManagement/query";
import { queryId } from "@/api/collegeManagement/queryId";

export default {
  // eslint-disable-next-line vue/multi-word-component-names
  name: "collegeManagement",
  data() {
    return {
      num: 1,
      college: [],
      page: 1,
      limit: 5,
      total: 0,
      searchForName: "",
      id:"",
      centerDialogVisible: false,
      form: {
        id:"",
        name: "",
        sort: "",
      },
      rules: {
        name: [{ required: true, message: "请输入姓名", trigger: "blur" }],
        age: [{ required: true, message: "请输入年龄", trigger: "blur" }],
      },
    };
  },
  methods: {
    //排序的计数
    handleChange(value) {
      console.log(value);
    },
    //重置表单
    resetForm() {
      this.$refs.form.resetFields();
      //将计数器的数字重置为1
      this.num = 1;
    },

    //新增按钮
    add() {
      this.centerDialogVisible = true;
      this.$nextTick(() => {
        this.resetForm();
      });
    },
    //修改
    mod(row) {
      this.centerDialogVisible = true;
      this.$nextTick(() => {
        //赋值到表单
        this.form.id = row.id
        this.form.name = row.name
        this.form.sort = row.sort
      });
    },
    //删除
    del(id) {
      del(id).then((res) => {
        console.log(id);
        console.log(res);
        if (res.code === 20000) {
          this.$message({
            message: "删除成功",
            type: "success",
          });
          this.centerDialogVisible = false;
          this.loadPost();
        } else {
          this.$message({
            message: "删除失败",
            type: "error",
          });
        }
      });
    },
    doMod() {
      mod(this.id,this.form).then((res) => {
        if (res.code === 20000) {
            console.log(res);
            console.log(this.id);
          this.$message({
            message: "修改成功",
            type: "success",
          });
          this.centerDialogVisible = false;
          this.loadPost();
          this.resetForm();
        } else {
          this.$message({
            message: "修改失败",
            type: "error",
          });
        }
      });
    },
    doSave() {
      save(this.form).then((res) => {
        if (res.code === 20000) {
          this.$message({
            message: "增加成功",
            type: "success",
          });
          this.centerDialogVisible = false;
          this.loadPost();
          this.resetForm();
        } else {
          this.$message({
            message: "增加失败",
            type: "error",
          });
        }
      });
    },
    //提交数据到后台
    save() {
      this.$refs.form.validate((valid) => {
        if (valid) {
            console.log( this.form.id);
          if ( this.form.id) {
            //如果有id则修改
            this.doMod();
          } else {
            //否则增加
            this.doSave();
          }
        } else {
          this.$message({
            message: "操作失败",
            type: "error",
          });
          return false;
        }
      });
    },
    handleClose(done) {
      this.$confirm("确认关闭？")
        .then(() => {
          done();
        })
        .catch(() => {});
    },
    handleSizeChange(val) {
      console.log(`每页 ${val} 条`);
      this.page = 1;
      this.limit = val;
      this.loadPost();
    },
    handleCurrentChange(val) {
      console.log(`当前页: ${val}`);
      this.page = val;
      this.loadPost();
    },
    resetParam() {
      this.searchForName = "";
      this.loadPost();
    },
    loadPost() {
      query(this.page, this.limit, { name: this.searchForName }).then((res) => {
        if (res.code === 20000) {
          this.college = res.data.list.records;
          this.total = res.data.list.total;
        } else {
          alert("获取数据失败");
        }
      });
    },
    loadPostID(){
        queryId(this.id).then((res) => {
            if (res.code == 20000) {
                const arrayStr = JSON.stringify([ res.data.college]);
                this.college = JSON.parse(arrayStr);    
            }
        })
    }
  },
  beforeMount() {
    // this.loadGet()
    this.loadPost();
  },
};
</script>

<style scoped>
.pagination-wrapper {
  position: fixed;
  bottom: 0;
  width: 100%;
  /*background-color: #f5f5f5;*/
  padding: 10px 20px;
  /*box-shadow: 0 -2px 4px rgba(0, 0, 0, 0.1);*/
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.pagination-container {
  max-width: 800px; /* 设置最大宽度以避免在大屏幕上过分拉伸 */
  margin: 0 30%; /* 居中显示分页组件 */
}
</style>
